1 材料与方法
1.1 发酵酒糟制备
1.2 试验设计及试验饲粮
表1 1~21日龄试验饲粮组成及营养水平(风干基础)Table 1 Composition and nutrient levels of experimental diets for 1 to 21 days of age (air-dry basis)% |
| 项目 Items | 组别Groups | |||||
|---|---|---|---|---|---|---|
| F0 | F2.5 | F5 | F10 | F15 | F20 | |
| 原料Ingredients | ||||||
| 玉米Corn | 55.86 | 53.50 | 51.18 | 46.55 | 41.83 | 36.60 |
| 去皮豆粕Peeled soybean meal | 31.25 | 30.70 | 30.10 | 28.90 | 27.75 | 27.11 |
| 发酵白酒槽Fermented white distiller's grains | 2.50 | 5.00 | 10.00 | 15.00 | 20.00 | |
| 玉米蛋白粉Corn protein meal | 4.00 | 4.00 | 4.00 | 4.00 | 4.00 | 4.00 |
| 棉籽粕Cottonseed meal | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 |
| 鸭油Duck fat | 1.20 | 1.60 | 2.05 | 2.92 | 3.80 | 4.75 |
| 石粉Limestone | 1.42 | 1.38 | 1.34 | 1.20 | 1.09 | 0.98 |
| 磷酸氢钙CaHPO4 | 1.30 | 1.32 | 1.32 | 1.35 | 1.38 | 1.39 |
| 赖氨酸Lys(70%) | 0.46 | 0.48 | 0.49 | 0.53 | 0.56 | 0.57 |
| 蛋氨酸Met(98.5%) | 0.30 | 0.30 | 0.30 | 0.31 | 0.31 | 0.31 |
| 苏氨酸Thr(98.5%) | 0.11 | 0.12 | 0.12 | 0.13 | 0.14 | 0.14 |
| 精氨酸Arg(99%) | 0.00 | 0.00 | 0.00 | 0.01 | 0.04 | 0.05 |
| 预混料Premix1) | 1.10 | 1.10 | 1.10 | 1.10 | 1.10 | 1.10 |
| 合计Total | 100.00 | 100.00 | 100.00 | 100.00 | 100.00 | 100.00 |
| 营养水平Nutrient levels2) | ||||||
| 代谢能ME/(MJ/kg) | 12.75 | 12.75 | 12.75 | 12.75 | 12.75 | 12.75 |
| 粗蛋白质CP | 21.09 | 22.73 | 22.88 | 19.93 | 21.47 | 21.92 |
| 钙Ca | 0.88 | 0.67 | 0.76 | 1.05 | 1.05 | 1.16 |
| 总磷TP | 0.61 | 0.63 | 0.61 | 0.61 | 0.63 | 0.61 |
| 赖氨酸Lys | 1.35 | 1.35 | 1.35 | 1.35 | 1.35 | 1.35 |
| 蛋氨酸Met | 0.55 | 0.55 | 0.55 | 0.55 | 0.55 | 0.55 |
1)预混料为每千克饲粮提供 The premix provided the following per kg of diets:VA 10 000 IU,VD3 2 500 IU,VE 25.0 mg,VK3 2.5 mg,VB 12.5 mg,VB2 7.5 mg,VB6 5.0 mg,VB12 0.03 mg,烟酸 nicotinic acid 50.0 mg,D-泛酸 D-pantothenic acid 15.0 mg,叶酸 folic acid 1.25 mg,生物素 biotin 0.12 mg,Cu 8 mg,Fe 80 mg,Mn 80 mg,Zn 80 mg,I 0.55 mg,Se 0.30 mg。 2)代谢能为计算值,其余为实测值。ME was a calculated value, while the others were measured values. |
表2 22~42日龄试验饲粮组成及营养水平(风干基础)Table 2 Composition and nutrient levels of experimental diets for 22 to 42 days of age (air-dry basis)% |
| 项目 Items | 组别Groups | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| F0 | F2.5 | F5 | F10 | F15 | F20 | ||||||||
| 原料Ingredients | |||||||||||||
| 玉米Corn | 54.85 | 52.30 | 49.69 | 44.62 | 39.62 | 34.57 | |||||||
| 去皮豆粕Peeled soybean meal | 33.30 | 32.89 | 32.55 | 31.69 | 30.80 | 29.90 | |||||||
| 鸭油Duck fat | 4.90 | 5.35 | 5.82 | 6.75 | 7.65 | 8.60 | |||||||
| 发酵白酒槽Fermented white distiller's grains | 2.50 | 5.00 | 10.00 | 15.00 | 20.00 | ||||||||
| 玉米蛋白粉Corn protein meal | 2.00 | 2.00 | 2.00 | 2.00 | 2.00 | 2.00 | |||||||
| 水解羽毛粉Hydrolyzed feather powder | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | |||||||
| 石粉Limestone | 0.89 | 0.87 | 0.85 | 0.81 | 0.77 | 0.73 | |||||||
| 磷酸氢钙CaHPO4 | 1.08 | 1.08 | 1.07 | 1.07 | 1.07 | 1.07 | |||||||
| 赖氨酸Lys(70%) | 0.43 | 0.44 | 0.45 | 0.47 | 0.48 | 0.50 | |||||||
| 蛋氨酸Met (98.5%) | 0.31 | 0.31 | 0.31 | 0.31 | 0.31 | 0.31 | |||||||
| 苏氨酸Thr (98.5%) | 0.11 | 0.12 | 0.12 | 0.12 | 0.13 | 0.13 | |||||||
| 精氨酸Arg (99%) | 0.03 | 0.04 | 0.04 | 0.06 | 0.07 | 0.09 | |||||||
| 预混料Premix1) | 1.10 | 1.10 | 1.10 | 1.10 | 1.10 | 1.10 | |||||||
| 合计Total | 100.00 | 100.00 | 100.00 | 100.00 | 100.00 | 100.00 | |||||||
| 营养水平Nutrient levels2) | |||||||||||||
| 代谢能ME/(MJ/kg) | 13.57 | 13.57 | 13.57 | 13.57 | 13.57 | 13.57 | |||||||
| 粗蛋白质CP | 20.46 | 20.44 | 21.77 | 20.35 | 21.00 | 21.71 | |||||||
| 钙Ca | 0.75 | 0.73 | 0.82 | 0.82 | 0.81 | 0.92 | |||||||
| 总磷TP | 0.58 | 0.59 | 0.61 | 0.60 | 0.64 | 0.60 | |||||||
| 赖氨酸Lys | 1.10 | 1.10 | 1.10 | 1.10 | 1.10 | 1.10 | |||||||
| 蛋氨酸Met | 0.43 | 0.43 | 0.43 | 0.43 | 0.43 | 0.43 | |||||||
1)预混料为每千克饲粮提供 The premix provided the following per kg of diets:VA 10 000 IU,VD3 2 500 IU,VE 25.0 mg,VK3 2.5 mg,VB 12.5 mg,VB2 7.5 mg,VB6 5.0 mg,VB12 0.03 mg,烟酸 nicotinic acid 50.0 mg,D-泛酸 D-pantothenic acid 15.0 mg,叶酸 folic acid 1.25 mg,生物素 biotin 0.12 mg,Cu 8 mg,Fe 80 mg,Mn 80 mg,Zn 80 mg,I 0.55 mg,Se 0.30 mg。 2)代谢能为计算值,其余为实测值。ME was a calculated value, while the others were measured values. |
1.3 样品采集与指标测定
1.3.1 生长性能
1.3.2 肉品质
1.3.3 氨基酸组成
1.3.4 挥发性风味物质和脂肪酸组成
1.4 数据统计与分析
2 结果
2.1 发酵白酒糟对白羽肉鸡生长性能的影响
表3 发酵白酒糟对白羽肉鸡生长性能的影响Table 3 Effects of fermented white distiller's grains on growth performance of white feather broilers |
| 项目 Items | 组别Groups | SEM | P值P-value | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| F0 | F2.5 | F5 | F10 | F15 | F20 | 方差分析 ANOVA | 线性 Linea | 二次 Quadratic | ||||
1~21日龄 1 to 21 days of age | 平均日采食量 ADFI/(g/d) | 41.37 | 40.03 | 42.55 | 41.23 | 41.98 | 43.60 | 0.509 | 0.512 | 0.127 | 0.302 | |
| 平均日增重 ADG/(g/d) | 35.45a | 34.04ab | 34.73a | 33.55ab | 33.25ab | 31.67b | 0.324 | 0.009 | 0.006 | 0.039 | ||
| 料重比F/G | 1.17b | 1.18b | 1.23ab | 1.23ab | 1.27ab | 1.38a | 0.020 | 0.032 | 0.005 | 0.013 | ||
22~42日龄 22 to 42 days of age | 平均日采食量 ADFI/(g/d) | 136.70 | 134.20 | 138.80 | 136.00 | 138.90 | 139.70 | 0.990 | 0.641 | 0.145 | 0.385 | |
| 平均日增重 ADG/(g/d) | 83.90 | 83.95 | 84.63 | 78.31 | 81.27 | 78.77 | 0.833 | 0.081 | 0.064 | 0.223 | ||
| 料重比F/G | 1.63ab | 1.60b | 1.64ab | 1.74ab | 1.71ab | 1.78a | 0.018 | 0.013 | 0.012 | 0.073 | ||
1~42日龄 1 to 42 days of age | 平均日采食量 ADFI/(g/d) | 89.05 | 87.12 | 90.68 | 88.24 | 90.43 | 88.04 | 0.717 | 0.713 | 0.939 | 0.842 | |
| 平均日增重 ADG/(g/d) | 59.68 | 59.00 | 59.68 | 55.93 | 57.26 | 52.75 | 0.752 | 0.058 | 0.016 | 0.068 | ||
| 料重比F/G | 1.50b | 1.48b | 1.52b | 1.58ab | 1.58ab | 1.69a | 0.018 | 0.004 | 0.003 | 0.016 | ||
同行数据肩标不同小写字母表示差异显著(P<0.05),相同或无字母表示差异不显著(P>0.05)。下表同。 | |
In the same row, values with different small letter superscripts mean significant difference (P<0.05), while with the same or no letter superscripts mean no significant difference (P>0.05). The same as below. |
表4 发酵白酒糟对白羽肉鸡生长性能的回归分析Table 4 Regression analysis of fermented distiller's grains on growth performance of white feather broilers |
| 项目 Items | 回归方程 Regression equation | 决定系数 R2 | X极值 X-extremum | Y极值 Y-extremum | P值 P-value |
|---|---|---|---|---|---|
| 1~21日龄1 to 21 days of age | |||||
| 平均日增重ADG/g | Y=-0.003X2-0.101X+35.032 | 0.808 | 0.000 | 35.032 | 0.006 |
| 料重比F/G | Y=0.000 4X2-0.001X+1.181 | 0.907 | 1.250 | 1.180 | 0.187 |
| 1~42日龄1 to 42 days of age | |||||
| 料重比F/G | Y=0.000 47X2-0.002X+1.476 | 0.895 | 2.130 | 1.474 | 0.025 |
2.2 发酵白酒糟对白羽肉鸡胸肌肉品质的影响
表5 发酵白酒糟对白羽肉鸡胸肌肉品质的影响Table 5 Effects of fermented white distiller's grains on meat quality in breast muscle of white feather broilers |
| 项目 Items | 组别Groups | SEM | P值 P-value | |||||
|---|---|---|---|---|---|---|---|---|
| F0 | F2.5 | F5 | F10 | F15 | F20 | |||
| 亮度L* | 39.67 | 38.81 | 40.66 | 39.88 | 38.49 | 40.04 | 0.388 | 0.637 |
| 红度a* | 2.97 | 2.40 | 2.84 | 2.53 | 3.16 | 2.51 | 0.125 | 0.462 |
| 黄度b* | 2.41 | 2.96 | 2.84 | 2.25 | 2.53 | 2.97 | 0.177 | 0.799 |
| pH | 6.14 | 6.25 | 6.26 | 6.15 | 6.14 | 6.15 | 0.232 | 0.435 |
| 剪切力Shear force/N | 58.08 | 54.76 | 54.50 | 71.18 | 75.75 | 69.37 | 3.088 | 0.148 |
| 蒸煮损失Cooking loss/% | 12.93 | 13.27 | 13.80 | 14.03 | 14.16 | 14.69 | 0.403 | 0.891 |
| 滴水损失Drip loss/% | 2.73b | 2.83b | 3.35b | 3.35b | 3.42b | 4.31a | 0.141 | 0.007 |
| 粗蛋白质CP/% | 87.68 | 86.59 | 86.90 | 84.63 | 87.64 | 87.55 | 0.379 | 0.153 |
| 粗脂肪EE/% | 3.18 | 4.54 | 4.29 | 6.11 | 3.46 | 4.23 | 0.358 | 0.225 |
| 肌苷酸IMP/(mg/g) | 3.90 | 5.07 | 4.83 | 4.25 | 5.07 | 6.24 | 1.473 | 0.093 |
2.3 发酵白酒糟对白羽肉鸡胸肌氨基酸组成的影响
表6 发酵白酒糟对白羽肉鸡胸肌氨基酸组成的影响Table 6 Effects of fermented white distiller's grains on amino acid composition in breast muscle of white feather broilersμg/g |
| 项目 Items | 组别Groups | SEM | P值 P-value | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| F0 | F2.5 | F5 | F10 | F15 | F20 | ||||||||||||
| 天冬氨酸Asp | 1.0 | 2.6 | 1.1 | 1.7 | 0.9 | 1.0 | 0.38 | 0.512 | |||||||||
| 苏氨酸Thr | 1.3 | 2.0 | 1.2 | 1.6 | 1.1 | 1.2 | 0.16 | 0.666 | |||||||||
| 丝氨酸Ser | 1.1 | 1.8 | 1.2 | 1.7 | 1.2 | 1.4 | 0.45 | 0.545 | |||||||||
| 谷氨酸Glu | 2.4 | 2.5 | 3.0 | 4.0 | 2.9 | 2.9 | 0.47 | 0.682 | |||||||||
| 胱氨酸Cys | 0.6 | 2.6 | 0.7 | 2.3 | 0.7 | 0.7 | 0.32 | 0.248 | |||||||||
| 缬氨酸Val | 1.1 | 2.7 | 1.5 | 2.3 | - | 0.9 | 0.31 | 0.522 | |||||||||
| 蛋氨酸Met | 1.0 | 1.7 | 0.9 | 1.6 | 0.7 | 1.0 | 0.21 | 0.731 | |||||||||
| 酪氨酸Tyr | 0.9b | 1.5ab | 1.4ab | 2.9a | 2.7ab | 0.6b | 0.21 | 0.013 | |||||||||
| 苯丙氨酸Phe | 6.9a | 4.5b | 1.6b | 2.0b | 1.0b | 9.2a | 0.63 | 0.001 | |||||||||
| 赖氨酸Lys | 10.9 | 11.9 | 11.4 | 12.3 | 10.1 | 10.1 | 0.45 | 0.257 | |||||||||
| 组氨酸His | 0.6 | 3.5 | 1.3 | 2.9 | 2.1 | 0.7 | 0.48 | 0.402 | |||||||||
| 精氨酸Arg | 1.1 | 7.8 | 0.9 | 1.1 | 0.8 | 1.1 | 1.09 | 0.422 | |||||||||
| 必需氨基酸EAA | 21.2 | 22.8 | 16.6 | 19.8 | 12.9 | 22.4 | 2.77 | 0.339 | |||||||||
| 非必需氨基酸NEAA | 7.7 | 15.3 | 9.6 | 16.6 | 10.3 | 8.4 | 1.73 | 0.491 | |||||||||
| 鲜味氨基酸DAA | 4.5 | 6.9 | 5.3 | 7.4 | 5.0 | 5.3 | 0.41 | 0.545 | |||||||||
-表示未检出该化合物或该化合物含量过低。下表同。 | |
- indicates that the compound is not detected or that the compound is too low. The same as below. |
2.4 发酵白酒糟对白羽肉鸡胸肌挥发性风味物质的影响
表7 胸肌中挥发性风味物质的ROAV分析Table 7 ROAV analysis of volatile flavor compounds in breast meat% |
| 项目 Items | 组别Groups | 感官阈值 Sensory threshold/ (ng/g) | 气味描述 Smell description | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| F0 | F2.5 | F5 | F10 | F15 | F20 | ||||||||||||||
醛类Aldehydes | 苯甲醛 Benzaldehyde | 0.02 | 0.05 | 0.05 | 0.05 | 0.11 | 0.24 | 350 | 杏仁香 | ||||||||||
| 癸醛 Decanal | 38.17 | 16.27 | 41.43 | 34.83 | 47.65 | 33.23 | 1.1 | 加香脂的气味, 略带果香 | |||||||||||
| 肉豆蔻醛 Tetradecanal | 0.54 | 0.53 | 1.11 | 0.83 | 1.10 | 2.18 | 110 | 脂肪性或 蜡质香气 | |||||||||||
| 正壬醛 Nonanal | 100 | 100 | 100 | 100 | 100 | 100 | 1.1 | 橘子香气, 带有油脂气味 | |||||||||||
| 椰子醛 14-octadecenal | 1.17 | 0.94 | 1.83 | 1.95 | 2.15 | 2.37 | 9.7 | 椰子味 | |||||||||||
酮类Ketones | 2-壬酮 2-nonanone | 0.93 | 0.34 | 0.94 | 0.90 | 1.20 | 1.96 | 38.9 | 果香气息 | ||||||||||
| 苯乙酮 Acetophenone | 0.29 | 0.30 | 0.46 | 0.36 | 0.27 | 0.31 | 65 | 甜美的芳香 | |||||||||||
醇类Alcohols | 1-辛烯-3-醇 1-octen-3-ol | 2.31 | 18.95 | 20.17 | 25.4 | 24.35 | 46.65 | 1 | 蘑菇香气 | ||||||||||
| 正辛醇 1-octanol | 34.22 | 36.18 | 51.92 | 92.13 | 53.45 | 59.53 | 1 | 脂肪性气味 | |||||||||||
| 酯类Esters | 乙酸乙酯 Ethyliso-allocholate | — | 0.12 | 0.44 | 0.53 | 0.59 | 0.59 | 30 | 水果香味 | ||||||||||
表8 发酵白酒糟对白羽肉鸡胸肌挥发性风味物质含量的影响Table 8 Effects of fermented white distiller's grains on volatile flavor substances contents in breast muscle of white feather broilers% |
| 项目 Items | 组别Groups | SEM | P值 P-value | ||||||
|---|---|---|---|---|---|---|---|---|---|
| F0 | F2.5 | F5 | F10 | F15 | F20 | ||||
醛类Aldehydes | 苯甲醛Benzaldehyde | 0.27d | 1.30bc | 0.81cd | 0.86cd | 1.85ab | 2.39a | 0.143 | 0.001 |
| 癸醛Decanal | 2.00 | 1.35 | 2.44 | 1.78 | 2.54 | 1.05 | 0.195 | 0.155 | |
| 肉豆蔻醛Myristic aldehyde | 2.82b | 4.41ab | 6.54a | 4.26ab | 5.86a | 6.89a | 0.398 | 0.019 | |
| 正壬醛No-nonanal | 5.24 | 8.30 | 5.89 | 5.11 | 5.33 | 3.16 | 0.528 | 0.125 | |
| 椰子醛Coconut aldehyde | 0.54 | 0.69 | 0.95 | 0.88 | 1.01 | 0.66 | 0.361 | 0.335 | |
烃类Hydrocarbons | 2,6,10-三甲基四癸烷 2,6,10-trimethyltetradecane | 0.18b | 0.48b | 1.03a | 0.85a | 1.18a | 0.94a | 0.343 | 0.001 |
| 苯乙烯Styrene | 1.61a | 1.19ab | 1.24ab | 0.89ab | 1.20ab | 0.82b | 0.067 | 0.006 | |
| 正十九烷Positive 19 alkane | 1.70 | 1.44 | 1.65 | 1.69 | 1.75 | 1.22 | 0.079 | 0.341 | |
| 正十六烷Orthocecane | 1.78 | 0.97 | 1.07 | 1.15 | 1.03 | 0.63 | 0.124 | 0.214 | |
酮类Ketones | 2-壬酮2-nonanone | 1.72 | 1.01 | 1.96 | 1.62 | 2.27 | 2.19 | 0.137 | 0.071 |
| 7,9-二叔丁基-1-氧杂草基(4,5)癸- 6,9-二烯-2,8-二酮 7,9-Di-tert-butyl-1-oxyweed (4,5)dec- 6,9-diene-2,8-dione | 6.60 | 10.10 | 10.51 | 8.59 | 9.69 | 7.16 | 0.561 | 0.251 | |
| 苯乙酮Acetophenone | 0.91abc | 1.46ab | 1.59a | 1.09abc | 0.84bc | 0.58c | 0.105 | 0.035 | |
醇类Alcohols | 1-辛烯-3-醇1-octen-3-ol | 0.11 | 1.43 | 1.08 | 1.18 | 1.18 | 1.34 | 0.796 | 0.126 |
| 2,4-二叔丁基酚2,4-di-tert-butylphenol | 1.17a | 0.76ab | 1.05a | 0.96a | 0.87a | 0.33b | 0.069 | 0.014 | |
| 正辛醇Ortho-octanol | 2.04ab | 2.73ab | 2.78ab | 4.28a | 2.59ab | 1.71b | 0.233 | 0.011 | |
酯类Esters | 二乙基二硫代氨基甲酸甲酯-D3 Methyl diethyl dithiocarbamate-D3 | 4.42 | 2.67 | 4.83 | 3.67 | 3.02 | 2.67 | 1.957 | 0.271 |
| 乙酸乙酯Ethyl acetate | - | 0.28b | 0.70b | 0.74b | 0.86a | 0.51a | 0.236 | 0.001 | |
酸类Acids | 油酸Oleic acid | 0.77 | 0.81 | 1.08 | 0.76 | 1.11 | 1.09 | 0.067 | 0.359 |
| 正癸酸Orthodecanic acid | 3.59 | 4.21 | 2.33 | 1.16 | 1.21 | 0.92 | 0.406 | 0.069 | |
| 正壬酸N-nonanoic acid | 12.14a | 9.29ab | 8.99ab | 5.05ab | 1.93b | 1.17b | 1.221 | 0.005 | |
其他类 Others | 4,25-二羟基维生素D3 4,25-dihydroxyvitamin D3 | 1.15 | 0.80 | 1.17 | 0.54 | 0.99 | 0.68 | 0.077 | 0.085 |
| 乙酸,N'-[3-(1-羟基-1-苯乙基)苯基]酰肼 Acetic acid, N'-[3-(1-hydroxy-1- phenylethyl)phenyl]hydrazine | - | 0.44b | 1.11b | 0.84b | 4.42a | 9.39a | 0.359 | 0.001 | |
2.5 发酵白酒糟对白羽肉鸡胸肌脂肪酸组成的影响
表9 发酵白酒糟对白羽肉鸡胸肌脂肪酸组成的影响Table 9 Effects of fermented white distiller's grains on fatty acid composition in breast muscle of white feather broilersμg/g |
| 项目 Items | 脂肪酸 Fatty acids | 组别Groups | SEM | P值 P-value | |||||
|---|---|---|---|---|---|---|---|---|---|
| F0 | F2.5 | F5 | F10 | F15 | F20 | ||||
饱和脂肪酸 Saturated fatty acids | 已酸C6∶0 | 0.13b | 0.07bc | 0.06bc | 0.05c | 0.10bc | 0.17a | 0.011 | 0.004 |
| 月桂酸C12∶0 | 0.31 | 0.24 | 0.23 | 0.18 | 0.21 | 0.23 | 0.010 | 0.051 | |
| 豆蔻酸C14∶0 | 0.67a | 0.47b | 0.53ab | 0.45b | 0.49ab | 0.45b | 0.021 | 0.031 | |
| 十五碳酸C15∶0 | 0.47a | 0.31b | 0.25b | 0.23b | 0.26b | 0.29b | 0.027 | 0.021 | |
| 棕榈酸C16∶0 | 31.55a | 23.19b | 23.73b | 19.58b | 23.20b | 22.01b | 0.021 | 0.006 | |
| 硬脂酸C18∶0 | 13.96a | 9.43b | 9.80b | 7.99b | 10.08b | 9.47b | 0.887 | 0.018 | |
| 二十碳酸C20∶0 | 0.29a | 0.14b | 0.15b | 0.14b | 0.13b | 0.12b | 0.105 | 0.001 | |
| 二十一碳酸C21∶0 | 0.22a | 0.10b | 0.09b | 0.15b | 0.10b | 0.08b | 0.007 | 0.043 | |
| 二十二碳酸C22∶0 | 0.34a | 0.18b | 0.18b | 0.17b | 0.16b | 0.14b | 0.243 | 0.001 | |
| 合计Total | 47.94a | 34.13b | 35.02b | 28.94b | 34.73b | 32.96b | 1.524 | 0.014 | |
单不饱和脂肪酸 Monounsaturated fatty acids | 肉豆蔻油酸C14∶1 | 0.28 | 0.08 | 0.13 | 0.10 | 0.13 | 0.18 | 1.176 | 0.391 |
| 棕榈油酸C16∶1 | 2.67 | 2.33 | 2.39 | 1.96 | 1.83 | 1.99 | 0.710 | 0.221 | |
| 反油酸C18∶1n9t | 0.59 | 0.33 | 0.37 | 6.53 | 0.37 | 0.34 | 0.011 | 0.523 | |
| 油酸C18∶1n9c | 30.42 | 29.19 | 31.20 | 26.91 | 29.43 | 30.07 | 0.011 | 0.939 | |
| 顺-13-二十二碳一烯酸C22∶1n9c | 0.81a | 0.41b | 0.35b | 0.29b | 0.34b | 0.25b | 0.013 | 0.014 | |
| 顺-15-二十四碳一烯酸C24∶1n9c | 0.36a | 0.16b | 0.16b | 0.12b | 0.14b | 0.11b | 0.031 | 0.001 | |
| 合计Total | 35.13 | 32.50 | 34.60 | 35.91 | 32.24 | 32.94 | 0.884 | 0.305 | |
多不饱和脂肪酸 Polyunsaturated fatty acid | 反亚油酸C18∶2n6t | 0.10 | 0.07 | 0.07 | 3.73 | 0.45 | 1.17 | 0.013 | 0.575 |
| 亚油酸C18∶2n6c | 19.88 | 19.60 | 20.22 | 17.69 | 21.27 | 21.64 | 0.036 | 0.655 | |
| γ-亚麻酸C18∶3n6 | 0.18 | 0.19 | 0.21 | 0.24 | 0.21 | 0.22 | 0.047 | 0.677 | |
| α-亚麻酸C18∶3n3 | 0.60 | 0.67 | 0.71 | 0.62 | 0.73 | 0.73 | 0.074 | 0.749 | |
| 顺,顺-11-14-二十碳二烯酸C20∶2 | 0.63 | 0.58 | 0.61 | 0.50 | 0.70 | 0.68 | 0.423 | 0.409 | |
| 顺-5,8,11,14-二十碳四烯酸C20∶4n6 | 5.36 | 3.77 | 4.27 | 3.66 | 5.78 | 5.52 | 0.035 | 0.553 | |
| 顺-5,8,11,14,17-二十碳五烯酸C20∶5n3 | 0.89a | 0.49b | 0.50b | 0.40bc | 0.28bc | 0.15c | 0.017 | 0.001 | |
| 合计Total | 27.64 | 25.37 | 26.59 | 26.84 | 29.42 | 30.11 | 0.834 | 0.125 | |
